Question

what is the role of nitrogen in air

Answer 1

Nitrogen is important because it is used by the plants in the form of nitrates and nitrites .
Nitrogen play a important role in air as it covers 78% of air .

Hope it helps.

Answer 2

The role of nitrogen in air are as follows:-

• Nitrogen is present and required by each and every cell of our body and hence it helps to sustain life.
• It prevents combustion as it is non-combustible unlike oxygen.Otherwise if you even lighted a candle the air would have caught fire.This is prevented by nitrogen.
• It prevents oxidation
• It reacts only in extreme pressure and temperature.So it contributes to the inertness of the atmosphere.

Hope it helps you.